How it Works
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FTDX101D
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Operation Manual
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Table of contents
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YAESU FTDX-101D, FTDX-101MP User guide

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Operation Manual Erratum
There is an error in the FTDX101 series Operation Manuals regarding item “
*Depending on the manual version.
Incorrect:
DVI-I connector for connecting an external monitor.
Correct:
Please use the DVI-D connector to connect between the transceiver and the external monitor.
EXT-DISPLAY” on page 13* or 17*.
YAESU MUSEN CO., LTD.
EH068H506
Updated Functions
1 The scope “LEVEL” adjustment function has been added to the C.S (custom select) key. 2 When CW keying speed is 45 wpm or more, QSK DELAY TIME (time between keying and actual transmission) is
xed to 15 msec.
3 When transmitting by the [MOX] key, modulation is input from the “MIC” or “REAR” jack according to the “MOD
SOURCE” setting of each mode.
To implement these changes, the C.S (Custom Select) function, and the setting menu have been changed as shown below:
1 Changing the function of C.S (Custom Select)
By simply pressing the [C.S] key, the MPVD ring operates in the function that has been assigned to the [C.S] key (see below) (default setting is MEM CH).
RF POWER Adjusts transmission output.
MONI LEVEL Adjusts the Monitor level.
DNR LEVEL DNR level adjustment.
NB LEVEL NB level adjustment.
VOX GAIN VOX gain adjustment.
VOX DELAY VOX delay adjustment.
ANTI VOX ANTI VOX adjustment.
STEP DIAL Frequency change at a predetermined frequency step.
MEM CH Selects the Desired memory channel.
GROUP Selects the memory group.
R.FIL Pass band width selection of Roong lter.
LEVEL Adjust the level of the 3DSS display.
How to assign functions to the MPVD ring
1. Press and hold the [C.S] key. The function selection screen is displayed.
2. Touch the function you want to assign.
Functions can also be assigned in the setting menu (see below).
[OPERATION SETTING] → [GENERAL] → [CS DIAL]
Function: Sets the Operation of MPVD dial when the [C.S] key is pressed. Available Values: RF POWER / MONI LVL / DNR LVL / NB LVL / VOX GAIN / VOX DELAY / ANTI VOX
STEP DIAL / MEM CH / GROUP / R.FIL / LEVEL
Default Setting: MEM CH Description:
RF POWER: Adjusts transmit output. MONI LVL: Adjusts the Monitor volume. DNR LVL: DNR level adjustment. NB LVL: NB level adjustment. VOX GAIN: VOX gain adjustment. VOX DELAY: VOX delay adjustment. ANTI VOX: ANTI VOX adjustment. STEP DIAL: Set the Frequency Change Steps. MEM CH: Selects the Memory Channels. GROUP: Selects the Memory Group.
R.FIL: Selects the Roong lter Pass Band Width.
LEVEL: Adjust the level of the 3DSS display.
2 Change Setting Menu [QSK DELAY TIME]
[CW SETTING] → [MODE CW] → [QSK DELAY TIME]
Function: Sets the time delay before transmitting the keying signal. Available Values: 15 / 20 / 25 / 30 msec Default Setting: 15 msec Description: The QSK mode delay time before transmitting the CW signal may be set in 5 msec steps.
Note: When the keying speed of the CW is “45 wpm” or more, delay time will be “15 msec” regardless of
the delay time setting.
3 Change Setting Menu [SSB MOD SOURCE]
[RADIO SETTING] → [MODE SSB] → [SSB MOD SOURCE]
Function: Selects the transmit audio input jack in the SSB mode by pressing the [MOX] key. Available Values: MIC / REAR Default Setting: MIC Description:
MIC: Audio is input from the MIC jack on the front panel. REAR: Disables the microphone circuit on the front panel and inputs audio/data from the USB jack or RTTY/DATA jack
on the rear panel.
Change Setting Menu [AM MOD SOURCE]
[RADIO SETTING] → [MODE AM] → [AM MOD SOURCE]
Function: Selects the transmit audio input jack in the AM mode by pressing the [MOX] key. Available Values: MIC / REAR Default Setting: MIC Description:
MIC: Audio is input from the MIC jack on the front panel. REAR: Disables the microphone circuit on the front panel and inputs audio/data from the USB jack or RTTY/DATA jack
on the rear panel.
Change Setting Menu [FM MOD SOURCE]
[RADIO SETTING] → [MODE FM] → [FM MOD SOURCE]
Function: Selects the transmit audio input jack in the FM mode by pressing the [MOX] key. Available Values: MIC / REAR Default Setting: MIC Description:
MIC: Audio is input from the MIC jack on the front panel. REAR: Disables the microphone circuit on the front panel and inputs audio/data from the USB jack or RTTY/DATA jack
on the rear panel.
Change Setting Menu [DATA MOD SOURCE]
[RADIO SETTING] → [MODE PSK/DATA] → [DATA MOD SOURCE]
Function: Selects the transmit audio input jack in the DATA mode by pressing the [MOX] key. Available Values: MIC / REAR Default Setting: REAR Description:
MIC: Audio/Data is input from the MIC jack on the front panel. REAR: Disables the microphone circuit on the front panel and inputs audio/data from the USB jack or RTTY/DATA jack
on the rear panel.
YAESU MUSEN CO., LTD.
101MP 101D
Operation Manual
About this Manual
The FTDX101MP/FTDX101D is a leading-edge transceiver with a number of new and exciting features,
some of which may be unfamiliar to you. In order to gain the most enjoyment and operating efciency
from the FTDX101MP/FTDX101D, we recommend that you read this manual in its entirety, and keep it handy for reference as you explore the many capabilities of this new transceiver. Before using the FTDX101MP/FTDX101D, be sure to read this manual.
How to read this operation manual
Two methods are used to select an item displayed on the FTDX101 Function Screen: “Operate by touching the item directly on the display”; and “Turn the [MULTI] knob to select the item and then press the [MULTI] knob”.
Subsequently, in this manual, the operations that can be performed either by touching the Function Screen, or by turning and pressing the [MULTI] knob are abbreviated to “Select [DISPLAY SETTING] → [DISPLAY] → [TFT DIMMER]”; as described in the following:
Example: How to adjust the brightness of the display
1. Press the [FUNC] key to display the function screen.
2. Touch [DISPLAY SETTING] on the function screen, or rotate the [MULTI] knob to select [DISPLAY SETTING] and then press the [MULTI] knob.
3. Touch [DISPLAY] on the display or rotate the [MULTI] knob to select [DISPLAY] and then press the [MULTI] knob.
4. Touch the setting section of [TFT DIMMER] on the display, or rotate the [MULTI] knob to select [TFT DIMMER] and then press the [MULTI] knob.
5. Rotate the [MULTI] knob to adjust the brightness.
The following notations are also used in this manual:
This icon indicates cautions and alerts the user should be aware of.
This icon indicates helpful notes, tips and information.
The illustrations related to the screen display use the FTDX101D display. The displayed contents may dif- fer in FTDX101MP.
1

Table of Contents

General Description ........................................4
Safety Precautions .........................................6
Accessories & Options ...................................8
Supplied Accessories ........................................ 8
Available options ............................................... 8
Installation and Interconnections ....................9
Antenna Considerations .................................... 9
Antenna Connections ........................................ 9
Power Cable Connections ............................... 10
FTDX101MP ................................................ 10
FTDX101D .................................................. 11
Microphone, Headphone, Key, Keyer and
FH-2 Connections ........................................... 13
Linear Amplier Interconnections .................... 14
VL-1000 Linear Amplier Interconnections .. 14
Interfacing to Other Linear Ampliers .......... 15
Rear Panel....................................................16
SSM-75G Microphone Switches...................18
Be sure to study this information to maximize the receiver performance of the high-class FTDX101 series
shortwave transceiver. ..................................19
Display Indications........................................20
Meter Display .................................................. 20
Filter Function Display ..................................... 21
Display only DSP lter
bandwidth information ................................. 21
Frequency Display ........................................... 21
Keyboard Frequency Entry .......................... 21
Tuning in 1 MHz or 1 kHz Steps .................. 21
Important Receiver Settings ............................ 22
ANT (Switching the Antenna) .......................... 22
ATT (Attenuator) .............................................. 22
IPO ................................................................. 22
R.FIL ( AGC (
Scope Display Setting ..................................... 24
Other On-Screen Indications ........................... 29
Screen Saver ................................................... 30
Adjust contrast ................................................. 30
Adjusting the brightness (Dimmer) .................. 30
Font setting for frequency display ................... 30
Inputting the Call Sign ..................................... 30
Roong Filter Switching
Automatic Gain Control
CENTER ...................................................... 24
CURSOR ..................................................... 24
FIX ............................................................... 25
SPEED ........................................................ 27
PEAK ........................................................... 27
MARKER ..................................................... 27
COLOR ........................................................ 27
LEVEL ......................................................... 27
) .......................... 23
) .......................... 23
Front Panel Controls & Switches ..................32
Adjusts the VOX GAIN ................................ 33
Adjusts the VOX Delay Time ....................... 33
Adjusts the VOX anti-trip sensitivity ............ 33
QMB Channel Storage ................................ 35
QMB Channel Recall ................................... 35
Conrm the contents of QMB ...................... 35
Changing the number of QMB channels ..... 35
Mark the operation band ............................. 35
Quick Split Operation .................................. 37
Direct input of offset frequency .................... 37
Clarier ............................................................ 39
RX Clarier ................................................. 39
Adjust transmit frequency to the
offset frequency ........................................... 39
TX Clarier .................................................. 39
To offset the frequency with the
TX Clarier Adjust receive frequency .......... 39
VC TUNE ......................................................... 40
Fine tune the tuning point ............................ 40
C.S (Custom Select) ........................................ 40
How to assign functions .............................. 40
MAIN/SUB ....................................................... 40
Switching the operation of the
[RF/SQL] knob ............................................. 42
MAIN Band Operation ..................................... 44
Adjusting the Noise Attenuation ..................44
Reduces longer duration pulse noise .......... 44
Set the MULTI knob to NB level
adjustment knob .......................................... 44
Adjust the GAIN of the CONTOUR Circuit .. 46 Sets the Bandwidth (“Q”) of the
CONTOUR Circuit ....................................... 46
Voice Communications (SSB and AM) .........50
When transmitting in SSB or AM mode ........... 50
Speech Processor ........................................... 51
RF Power output control .................................. 51
Parametric Microphone Equalizer ................... 52
Setup the Parametric Microphone
Equalizer ..................................................... 52
Activate the Parametric Microphone
Equalizer ..................................................... 52
Voice Memory ..................................................54
Recording Your Own Voice in Memory ........ 54
Checking the Recording .............................. 54
Transmitting the Recorded Message .......... 54
Adjustable Receiver Audio Filter .....................55
Using the Automatic Antenna Tuner ................ 56
ATU Operation ............................................. 56
2
CW Mode Operation .....................................58
Adjusting the Sidetone Audio level .............. 58
CW Delay Time Setting ............................... 58
CW Decode ..................................................... 59
CW Spotting (Zero-Beating) ............................ 59
Setting of the Electronic Keyer ........................ 60
Adjusting the Keyer Speed .......................... 60
Setting the Keyer Weight (Dot/Dash) Ratio . 60
Reversing the Keyer Polarity ....................... 60
Selecting the Keyer Operating Mode .......... 60
Contest Memory Keyer .................................... 61
Message Memory ........................................ 61
Storing a Message into Memory .................. 61
Message Memory Programming
(Using your Paddle) ..................................... 61
Checking the CW Memory Contents ........... 62
On-The-Air CW Message Playback ............ 62
TEXT Memory ............................................. 63
Text Memory Storage .................................. 63
Text Message Programming ........................ 63
Checking the CW Memory Contents ........... 64
On-The-Air CW Message Playback ............ 64
FM Mode Operation......................................65
Repeater Operation ......................................... 65
Tone Squelch Operation .................................. 65
RTTY (FSK) Operation .................................66
Connecting to a Personal Computer ............... 66
Connecting to the TU (Terminal Unit) .............. 66
RTTY Decode .................................................. 67
RTTY Text Memory .......................................... 68
Text Message Programming on
TFT Screen ................................................. 68
Text Message Programming on
FH-2 Remote Controller .............................. 68
Text Input ..................................................... 68
On-The-Air RTTY Text Message Playback .. 68
DATA (PSK) Operation .................................69
Connecting to a Personal Computer ............... 69
Connecting to the Data Communications
Device ............................................................. 69
PSK Decode .................................................... 70
PSK Text Memory ............................................ 71
Text Message Programming on
TFT Screen ................................................. 71
Text Message Programming on
FH-2 Remote Controller .............................. 71
Text Input ..................................................... 71
On-The-Air PSK Text Message Playback .... 71
Memory Operation ........................................72
Memory Storage .......................................... 72
Erasing Memory Channel Data ................... 72
Check Memory Channel Status ................... 73
Recall a Memory Channel other than .......... 73
the last used VFO frequency ....................... 73
Memory Tune Operation .............................. 73
Moving Memory Data to the VFO register ... 74
Labeling Memories ...................................... 74
Displaying the Memory Tag ......................... 74
Scan Skip Setting ........................................ 74
Memory Groups ............................................... 75
Choosing the Desired Memory Group ............. 75
VFO and Memory Scanning .........................76
VFO/Memory Scan .......................................... 76
Programmable Memory Scan (PMS) .............. 77
Other Functions ............................................78
Band Stack Operation ..................................... 78
TOT (Time Out Timer) .....................................78
[MULTI] knob Step Increment Setting.............. 78
Operation on Alaska Emergency Frequency:
5167.5 kHz (U.S. Version Only) .....................79
Screen capture ................................................ 79
Using the SD Card .......................................... 80
SD Cards that can be used ......................... 80
Installing the SD card .................................. 80
Removing the SD card ................................ 80
Formatting a SD card .................................. 80
Saving Memory data and Setting
Menu data ................................................... 81
Reading Memory and Set Menu data .......... 82
Display the SD Card Information ................. 82
Setting Menu ................................................83
Using the Menu ............................................... 83
Resetting the Microprocessor ..................... 111
Optional Accessories .................................. 11 2
FC-40 External Automatic Antenna Tuner
(for Wire Antenna) ......................................... 11 2
Interconnections to FTDX101 series ......... 11 2
Setup the FTDX101 series ........................ 11 3
Optional FH-2 Control................................. 114
Specications ............................................. 115
General .......................................................... 115
Transmitter .................................................... 115
Receiver ........................................................ 11 6
Index ........................................................... 117
YAESU LIMITED WARRANTY ...................120
3

General Description

Hybrid SDR conguration
In addition to the narrow band SDR receiver that boasts awesome basic performance, the FTDX101MP/
FTDX101D has a hybrid SDR conguration utilizing an integrated direct sampling SDR receiver, which
permits visualization of the spectrum of the entire band in real time. By adopting the hybrid SDR method, and utilizing the features of the direct sampling method, wide-view displays of the information in the entire band in real time, and improved performance of the entire receiv- ing circuit with the narrow band SDR technology down conversion method are possible.
Comes equipped with three* types of roong lters
This transceiver is equipped with three types of roong lters for 600 Hz, 3 kHz and 12 kHz bandwidths. These narrow band lters are especially useful on a very crowded band during contests, because they can dramatically attenuate powerful out-of-band signals in the rst IF stage, and thus reduce their impact
in the second stage. Further, the excellent dynamic range and IP3 characteristics optimize the processing of all signals ranging from faint to powerful.
* The 300 Hz roong lter is also standard equipment on the MAIN band side of the FTDX101MP.
Adopts 3DSS/Hybrid Dual SDR Display
In addition to the conventional waterfall display, a 3DSS (3 Dimensions Spectrum Stream) image method has been newly adopted. The 3DSS image uses the horizontal axis (X axis) for frequency, the vertical axis (Y axis) for signal intensity, and the Z axis for time. Compared to the conventional waterfall method, the signal strength is displayed in three dimensions as well as in color, recognition of changes in the band conditions is instant, convenient and intuitive. The 3DSS waterfall display has a choice of the mono display that displays only the MAIN frequency band; or the dual display that illustrates both the MAIN and SUB frequency bands. The Hybrid Dual SDR Display presents two SDR outputs, narrow band SDR and direct sampling SDR, combined the same screen. Since the display color of each SDR output can be changed, the band re- ceived by the narrow band SDR receiver can be viewed while also observing the condition of the entire band.
High-brightness TFT full-color display with touch-panel functionality
The FTDX101MP/FTDX101D is equipped with a 7-inch full-color TFT display. Operating functions, includ- ing the receiving band noise and signal interference reduction tools, are graphically displayed. Even while involved in rigorous operations, such as DXpeditions and contests, the operator may instantly grasp the status of each function.
Filter Function Display monitors the status of the passband
In the upper part of the display, an S meter and a lter function display present the state of the pass-band.
They are arranged independently for the MAIN Band and SUB Band respectively. In addition to the oper-
ating state of the interference removal functions, the lter function information is displayed. Not only can
you grasp the operating status of WIDTH, SHIFT, NOTCH and CONTOUR at a glance, you can also view the status of the RF spectrum in the passband.
RF Pre-selector, Continuously Variable RF, & VC-TUNE
The newly developed VC tuning circuit drives a variable capacitor with a high-precision stepping motor and is comparable with a µ-Tuning mechanism, it achieves remarkable interference reduction character- istics with signicant downscaling and maximum attenuation of -70 dB. When compared with the conven- tional preset method, which switches a coil and a capacitor with a relay, the high-precision stepping motor continuously follows the frequency inside the pass-band, there is no sense of discomfort as there is with
relay switching. Even when there are multiple powerful signals in the band, ne adjustment to the optimal
tuning point is possible.
4
Two selectable RF Stages amplify the desired signals from low band to
high band
Push-pull RF amplier AMP1, and AMP2 are low noise negative feedback RF ampliers that may be se- lected or combined in series as is needed for various low-band, high-band, frequency and noise conditions. In addition, the IPO (Intercept Point Optimization) function maximizes the dynamic range and enhances the close multi-signal and inter-modulation characteristics of the receiver. The inuence of strong broad- casting stations, especially in the low bands, can be minimized.
WIDTH and the continuously variable Bandwidth SHIFT features per- mit elimination of interfering signals
The WIDTH feature allows the bandwidth to be narrowed by rotating the WIDTH knob. The SHIFT feature, can eliminate interference in one side of the passband. Often, weak signals disappear due to interfering signals (including pile-ups). The interfering signals may be extracted, leaving only the desired signal, be-
cause of the unique DSP sharp ltering characteristics.
CONTOUR feature is renowned for effective noise reduction
Rather than using the DSP extremely sharp attenuation characteristics, the CONTOUR circuit provides gentle shaping of the DSP passband lter, and can thus attenuate or peak bandwidth components in seg- ments. The interfering signal can be naturally shaped without having part of the signal suddenly disrupted. The contour function is very effective in making the desired signal rise out of the interference.
DNR (Digital Noise Reduction) by DSP digital processing
The incorporated digital noise reduction circuit may be set to the optimal working algorithm by varying the 15 step parameters according to the noise type.
NOTCH feature can eliminate an unwanted heterodyne, and the DNF
feature can instantly attenuate multiple heterodyne signals
When interfering beat signals are present in the receiver passband, the IF NOTCH feature can signicant- ly eliminate a narrow portion of the passband and remove the interfering signal. Moreover, when there are multiple interfering signals, the DSP DNF (Digital Notch Filter) Automatic Tracking System can be effec- tive, even when an interfering frequency is changing.
ABI (Active Band Indicator)
Band keys are arranged in a row at the top above the main dial so that the operation status of the MAIN and SUB Bands can be checked at a glance. The band selected on the MAIN side is white, the band se- lected on the SUB side is blue. The white and blue correspond to the colors of the MAIN and SUB Band Switches. When transmitting, the LED on the transmission band turns red. It is possible to instantly distinguish which band is transmitting and thus prevent erroneous operation. Additionally, when the band key is pressed and held, the LED lights up in orange, so you can use this to display a band connected with an antenna, display a band to be operated with a DXpedition, etc., or as a MEMO.
MPVD (MULTI PURPOSE VFO OUTER DIAL)
A large multi-functional ring, cut from high-grade aluminum is placed on the outside of the Main Dial. It is
frequently used for the SUB VFO dial, VC tune, Clarier or a CS (Custom select) function. The operator
may assign favorite functions to the MPVD that can then be operated with one touch. The ring can be used to adjust important functions without releasing your hand from the Main Dial. This feature can be a great convenience in the ever-changing shortwave radio communications.
Reliable High-output Final Amplier Stage
FTDX101MP (200W) power amplier utilizes push-pull VRF150 MOS FET devices, operating at 50V, with
excellent linearity, low distortion and high voltage tolerance. By optimizing the bias circuit for the optimal operating points, a high-quality and stable output with low distortion is realized. FTDX101D (100W) power amplier utilizes a pair of RD100HHF1 transistors in a push-pull RF arrange- ment that delivers 100 watts of low-distortion, high-quality transmitter power.
5

Safety Precautions

Note beforehand that the company shall not be liable for any damages suffered by the customer or third parties in using this product, or for any failures and faults that occur during the use or misuse of this prod- uct, unless otherwise provided for under the law.
Type and meaning of the marks
DANGER
WARNING
CAUTION
Type and meaning of symbols
Prohibited actions that must not be attempted, in order to use this radio safely. For example,
Precautions that must be adhered to in order to use this radio safely. For example, signifies that the power supply is to be disconnected.
Do not use the device in “regions or aircrafts and vehicles where its use is prohibited” such as in hospitals and airplanes.
This may exert an impact on electronic and med- ical devices.
Do not use this product while driving or riding a motorbike. This may result in accidents.
Make sure to stop the car in a safe location first before use if the device is going to be used by the driver.
Do not transmit in crowded places in consid- eration of people who are fitted with medical devices such as heart pacemakers.
Electromagnetic waves from the device may af- fect the medical device, resulting in accidents caused by malfunctions.
Never touch the antenna during transmission.
This may result in injury, electric shock and equip- ment failure.
This mark indicates an imminently hazardous situation, which, if not avoided, could result in death or serious injury.
This mark indicates a potentially hazardous situation, which, if not avoided, could result in death or serious injury.
This mark indicates a potentially hazardous situation, which, if not avoided, may result in minor or moderate injury or only property damage.
signifies that disassembly is prohibited.
DANGER
Do not operate the device when flammable gas is generated.
Doing so may result in fire and explosion.
When an alarm goes off with the external an-
tenna connected, cut off the power supply to
this radio immediately and disconnect the ex- ternal antenna from this radio.
If not, this may result in fire, electric shock and equipment failure due to thunder.
Do not touch any liquid leaking from the liquid display with your bare hands.
There is a risk of chemical burns occurring when the liquid comes into contact with the skin or gets into the eyes. In this case, seek medical treat- ment immediately.
Do not use voltages other than the specified power supply voltage.
Doing so may result in fire and electric shock.
Do not transmit continuously for long periods of time.
This may cause the temperature of the main body to rise and result in burns and failures due to overheating.
Do not dismantle or modify the device.
This may result in injury, electric shock and equip- ment failure.
Do not handle the power plug and connector etc. with wet hands. Also do not plug and un- plug the power plug with wet hands.
This may result in injury, liquid leak, electric shock and equipment failure.
Do not use fuses other than those specified.
Doing so may result in fire and equipment failure.
6
WARNING
When smoke or strange odors are emitted from the radio, turn off the power and discon- nect the power cord from the socket.
This may result in fire, liquid leak, overheating, damage, ignition and equipment failure. Please contact our company customer support or the re- tail store where you purchased the device.
Keep the power plug pins and the surround- ing areas clean at all times.
This may result in fire, liquid leak, overheating, breakage, ignition etc.
Disconnect the power cord and connection cables before incorporating items sold sepa- rately and replacing the fuse.
This may result in fire, electric shock and equip- ment failure.
Never cut off the fuse holder of the DC power cord.
This may cause short-circuiting and result in igni- tion and fire.
Do not allow metallic objects such as wires and water to get inside the product.
This may result in fire, electric shock and equip- ment failure.
Do not place the device in areas that may get wet easily (e.g. near a humidifier).
This may result in fire, electric shock and equip- ment failure.
When connecting a DC power cord, pay due
care not to mix up the positive and negative polarities.
This may result in fire, electric shock and equip- ment failure.
Do not use DC power cords other than the one enclosed or specified.
This may result in fire, electric shock and equip- ment failure.
Do not bend, twist, pull, heat and modify the
power cord and connection cables in an un- reasonable manner.
This may cut or damage the cables and result in fire, electric shock and equipment failure.
Do not pull the cable when plugging and un- plugging the power cord and connection ca- bles.
Please hold the plug or connector when unplug- ging. If not, this may result in fire, electric shock and equipment failure.
Refrain from using headphones and ear- phones at a loud volume.
Continuous exposure to loud volumes may result in hearing impairment.
Do not use the device when the power cord
and connection cables are damaged, and
when the DC power connector cannot be plugged in tightly.
Please contact our company customer support or the retail store where you purchased the device as this may result in fire, electric shock and equip- ment failure.
Follow the instructions given when installing
items sold separately and replacing the fuse.
This may result in fire, electric shock and equip- ment failure.
Do not use the device when the alarm goes off.
For safety reasons, please pull the power plug of the DC power equipment connected to the prod- uct out of the AC socket. Never touch the antenna as well. This may result in fire, electric shock and equipment failure due to thunder.
CAUTION
Do not place this device near a heating instru- ment or in a location exposed to direct sun- light.
This may result in deformation and discoloration.
Do not place this device in a location where there is a lot of dust and humidity.
Doing so may result in fire and equipment failure.
Stay as far away from the antenna as possible during transmission.
Long-term exposure to electromagnetic radiation may have a negative effect on the human body.
Do not wipe the case using thinner and ben- zene etc.
Please use a soft and dry piece of cloth to wipe away the stains on the case.
Keep out of the reach of small children.
If not, this may result in injuries to children.
Do not put heavy objects on top of the power cord and connection cables.
This may damage the power cord and connection cables, resulting in fire and electric shock.
Do not transmit near the television and radio.
This may result in electromagnetic interference.
Do not use optional products other than those specified by our company.
If not, this may result in equipment failure.
When using the device in a hybrid car or fu-
el-saving car, make sure to check with the car
manufacturer before using.
The device may not be able to receive transmis- sions normally due to the influence of noises from the electrical devices (inverters etc.) fitted in the car.
Do not turn on the volume too high when us- ing a headphone or earphone.
This may result in hearing impairment.
For safety reasons, switch off the power and
pull out the DC power cord connected to the DC power connector when the device is not going to be used for a long period of time.
If not, this may result in fire and overheating.
Do not throw or subject the device to strong impact forces.
This may result in equipment failure.
Do not the put this device near magnetic cards and video tapes.
The data in the cash card and video tape etc. may be erased.
Do not place the device on an unsteady or
sloping surface, or in a location where there
is a lot of vibration.
The device may fall over or drop, resulting in fire, injury and equipment failure.
Do not stand on top of the product, and do not
place heavy objects on top or insert objects inside it.
If not, this may result in equipment failure.
Do not use a microphone other than those specified when connecting a microphone to the device.
If not, this may result in equipment failure.
7

Accessories & Options

Supplied Accessories

Hand Microphone SSM-75G DC Power Cord
(FTDX101D only)
RCA Plug 3.5 mm 3-contact Plug 6.3 mm 3-contact Plug
• Operation Manual • World Map • Circuit Diagrams • Sticker
• The following items are included only with FTDX101MP:
• External Power Supply with Speaker FPS-101
• AC Power Cord (for FPS-101)
• DC Power Cord (for FPS-101) (USA version: T9101692, Asian and European version: T9207902)
• Speaker Cord (connect FTDX101MP and FPS-101)
• 2 Cable brackets (USA version only)
• 2 Cable clamps (USA version only)
• 2 Screws (3 x 8) (USA version only)
Spare Fuse (25A) (FTDX101D only)

Available options

• Hand Microphone (equivalent to the supplied microphone) SSM-75G
• Reference Microphone M-1
• Dual Element Microphone M-100
• Ultra-High-Fidelity Desktop Microphone MD-200A8X
• Desktop Microphone MD-100A8X
• Lightweight Stereo Headphone YH-77STA
• External Speaker SP-101
• External Automatic Antenna Tuner FC-40
• Remote Control Keypad FH-2
• Linear Amplier/AC Power Supply VL-1000/VP-1000
• VL-1000Linear Amplier Connection Cable CT-178
Please contact YAESU for the following options.
• VC-Tuning Unit (for SUB Band) VCT-101*
• CW Narrow Filter (C/F: 9.005MHz, B/W: 300Hz, for MAIN Band) XF-128CN*
• CW Narrow Filter (C/F: 8.900MHz, B/W: 300Hz, for SUB Band) XF-129CN
• SSB Narrow Filter (9.005MHz, B/W: 1.2kHz, for MAIN Band) XF-128SN
• SSB Narrow Filter (8.900MHz, B/W: 1.2kHz, for SUB Band) XF-129SN
* Included with FTDX101MP.
8

Installation and Interconnections

Antenna Considerations

The FTDX101MP/FTDX101D is designed to connect to a 50 Ohm resistive impedance antenna at the Amateur operating frequencies. Select an appropriate antenna (dipole antenna, YAGI antenna, cubical quad antenna, etc.) that is suitable for the chosen operation and bands. Construct the antenna and coaxial cable, or use a suitable antenna tuner, to maintain the impedance presented to the FTDX101MP/FTDX101D antenna connector for an SWR of 1.5 or less. Careful prepara- tion of the antenna and/or tuner will permit maximum performance, and protect the transceiver from dam- age. High transmitter RF voltages may be present on the antenna; install it so it will not be easily touched when in operation.

Antenna Connections

Carefully follow the illustration regarding the proper connection of antennas and coaxial cables.
METER
LINEAR
REM
ACC TUNER
EXT ALC RS-232C
PTT
+13.8V
ANT 1 ANT 2
GND
EXT SPKR KEY
A B
To prevent damage from lightning, atmospheric electrical discharges, electric shock etc., provide a good earth ground.
Use a short, thick, braided cable to connect the station equipment to the buried ground rod (or alternative earth ground system).
9

Power Cable Connections

FTDX101MP FPS-101
Cable bracket

• FTDX101MP

Refer to the illustration for the proper connection of the FPS-101 Power Supply. Use the DC power cable supplied with the FTDX101MP to make the power connection to the FPS-101 power supply.
• Connect the FTDX101MP and FPS-101 with the supplied speaker cable so audio can be output from the FPS-101’s built-in speaker.
• When connected to EXT SPKR terminal “A”, audio of “MAIN band and SUB band” will be output from the built-in speaker of FPS-101.
• When connected to EXT SPKR terminal “B”, audio of “MAIN band” is output from the built-in speaker of FPS-101, and audio of “SUB band” is output from the speaker of the FTDX101MP.
DC Power Cable (supplied)
Connected to the
Speaker Cable (supplied)
AC line outlet
Connecting the DC power cable (USA version only)
Connect the DC Power Cable using the supplied Cable brackets (with Cable clamps), referring to the
gures below.
Screw (3x8)
Cable bracket
Screw (3x8)
(with Cable clamp)
(with Cable clamp)
10
Cable clamp
near the FTDX101MP or FPS-101.
DC power cord (supplied)
DC Power Cable
Do not slack
Do not slack
Do not excessively place the cord clamp

• FTDX101D

Carefully follow the illustrations regarding the proper connection of the DC power cable. Use the DC power cable supplied with the FTDX101D to make the power connections to the power sup- ply.
Check the DC voltage and current rating (+13.8 V, 23 A) of the power supply before connecting to the
ANT 1 ANT 2
GND
EXT SPKR KEY
A B
LINEAR
METER
REM
ACC TUNER
EXT ALC RS-232C
PTT
+13.8V
FUSE: 25A
transceiver.
RED
BLACK
11
Installation guidelines
• Donotexposethetransceivertodirectsunshine.
• Donotexposethetransceivertodustorhighhumidity.
• Ensureadequate ventilationaround thetransceiver,topreventheatbuild-upandpossiblereductionof performancedueoverheating.
• Donotinstallthetransceiverinamechanicallyunstablelocation,orwhereobjectsmayfallontoitfrom above.
• WheninstallingtheFTDX101MPandFPS-101,becarefulnottoforciblybendorpullthepowercable.
• Donotplaceheavyobjectsontopofthepowercable.
• Donotuseapowercableotherthantheonethatisprovided.
• Tominimizethe possibilityof interferencetohomeentertainmentdevices, takeallprecautionarysteps includingseparationofTV/FMantennasfromAmateurtransmittingantennastothegreatestextentpos- sible.Keepthetransmittingcoaxialcablesseparatedfromcablesconnectedtohomeentertainmentde- vices.
• Makesureto turnthetransceiver OFFanddisconnect allcablesbefore movingtheFTDX101MPor FPS-101.
• TheACPowerCordconnectedtoasocket-outletwithearthingconnection.Asocket-outletwithearthing connectionshallconnecttoprotectiveearthingconductor.
Caution
Besurethat boththetransceiver Front PanelPOWERswitch andtheFPS-101 MainPowerswitchare bothturnedOFFanytimeyouplugorunplugthepowercabletotheFTDX101MPandFPS-101.Thiswill avoidpotentiallydamagingelectricalspikesandelectricalshock.
Whendisconnecting thepowercable,holdtheconnector,pressthelocktabto releaseitandpulltheplugfromtheconnector.Pullingthepowercablewithout releasingthelockmaycauseafailure.
12

Microphone, Headphone, Key, Keyer and FH-2 Connections

φ6.3mm
MIC
SW1
MIC GND
+5V
SW2
PTT
GND
FAST
(as viewed from front panel)
ANT 1 ANT 2
EXT SPKR KEY
A B
Remote Control Keypad
FH-2
REM
METER
EXT ALC RS-232C
PTT
+13.8V
GND
LINEAR
ACC TUNER
Key-up voltage on the front key jack is approximately +3.3 V DC, and key-down current is approximately 1 mA. Key-up voltage on the rear key jack is approximately +5.0 V DC, and key-down current is approximately 3 mA.
13
Linear Amplier Interconnections
“CT-178” Connection Cable (option)
Coaxial Cable (50 ohm)
VL-1000
Be sure that both the FTDX101 series and VL-1000 are turned OFF, and then follow the installation recom- mendations contained in the bellow illustration.
• VL-1000 Linear Amplier Interconnections
Since the FTDX101MP has a high transmission output of 200 W, be sure to turn ON the ATT switch of the VL-
1000. Using the amplier with the ATT switch “OFF” may damage the VL-1000.
• Refer to the VL-1000 Operating Manual for details regarding amplier operation.
• Do not attempt to connect or disconnect coaxial cables when your hands are wet.
Connect to “INPUT 2” of the VL-1000
HF/50MHz Antenna
ANT 1
ANT 2
ANT 1
ANT 3
INPUT 2
ANT 1 ANT 2
GND
DC IN
GND GND
EXT SPKR KEY
A B
LINEAR
LINEAR ALC 2BAND-DATA 2
EXT ALC RS-232C
METER
REM
PTT
+13.8V
ACC TUNER
The figure above shows the FTDX101MP rear panel connections with the VL-1000.
DC 48V IN
VP-1000
CONTROL
14
• Interfacing to Other Linear Ampliers
Antenna Cable (50 ohms)
Coaxial Cable (50 ohm)
• The TX GND OUT pin (pin 2) of the LINEAR jack is a transistor “open collector” circuit. It is capable of handling positive relay coil voltages up to +60VDC at 200 mA or +30 VDC at 1 A.
• When using multiple linear ampliers for different bands, you must provide external band switching of the
“Linear Tx” relay control line from the “TX GND OUT” line at the LINEAR jack.
Do not exceed the maximum voltage or current ratings for the “TX GND OUT” pin (pin 2) of the LINEAR jack. This line is not compatible with negative DC voltages, or AC voltages of any magnitude.
HF/50 MHz Antenna
ANT 1
RF OUT RF IN
GND
GND
ANT 1 ANT 2
DC IN
EXT SPKR KEY
A B
LINEAR
LINEAR D-sub 15 pin
EXT ALC RS-232C
METER
REM
PTT
+13.8V
ACC TUNER
GND
The figure above shows the FTDX101MP rear panel connections to other linear amplifiers.
HF/50 MHz Antenna
ANT 1
ANT 1 ANT 2
EXT SPKR KEY
A B
LINEAR
EXT ALC RS-232C
METER
REM
PTT
+13.8V
ACC TUNER
RF OUTRF IN
GND
EXT ALC
TX GND
GND
DC IN
GND
TX GND
EXT ALC
GND
The figure above shows the FTDX101MP rear panel connections to other linear amplifiers.
15

Rear Panel

The figure above shows the rear panel of the FTDX101MP.
SIGNAL
GND
GND
COMMON
GND
DATA IN
GND
DATA OUTSQL
GND
ANT 1 ANT 2
GND
Cooling FAN
ANT 1, 2, 3/RX
Connect the main antenna(s) here, using type-M (PL-259) connectors and coaxial feed lines. The internal antenna tuner affects only the antenna(s) connected here, and only during transmission.
EXT SPKR
This 3.5-mm, 2-contact, jacks provide audio output for external loudspeakers. The impedances at the jacks are 4 - 8 Ohms, and the volume varies ac- cording to the setting of the front panel [AF] knob.
DOT
METER
EXT ALC RS-232C
PTT
+13.8V
EXT SPKR KEY
A B
LINEAR
AF-OUT
REM
ACC TUNER
DASH
When connecting an electronic keyer paddle
This 3.5-mm, 3-contact jack provides dual-channel low-level receiver output, for recording or external
amplication.
The front panel [AF] knobs do not affect the signals at this jack (300 mVp-p at 10 k-ohms).
Inserting plugs into the jacks alters the inter-
nal loudspeaker conguration.
Depending on the plugs connected to the jacks, the
conguration of the internal and external speakers
varies.
Internal
Speaker
Connect to
A only
Connect to
B only
Connect to
both A and B
KEY
A B
MAIN and
SUB audio
- MAIN audio SUB audio
SUB audio MAIN audio -
- -
This 1/4-inch 3-contact jack accepts a CW key or keyer paddle. A two-contact plug cannot be used in this jack. Key-up voltage is +5.0 V DC, and key- down current is 3 mA.
KEY
NC
When connecting a single straight key
AUDIO (MAIN)
AUDIO (SUB)
REM
By plugging the FH-2 Remote Control Keypad into this jack, direct access to the FTDX101 CPU is pro- vided for control functions of the contest memory keying, and also frequency and function control.
RTTY/DATA
This 6-pin input/output jack accepts AFSK input from a Terminal Node Controller (TNC); it also pro- vides fixed level receiver audio output, and FSK keying line.
PTTSHIFT
METER
This 3.5-mm jack is to connect an external meter. The meter display is output as an analog voltage (0 V to about 3 V). Insert appropriate resistors in series according to the meter you use.
SIGNAL (MAIN)
SIGNAL (SUB)
16
SERIAL OUT
SERIAL IN
RTSCTS
50V
GND
BAND DATA B
GND
NC
Power ON
3.3V
13.8V
TUNER SENSE
RESET OUT
RX D
EXT ALC
This RCA input jack accepts negative-going exter- nal ALC (Automatic Level Control) voltage from a linear amplifier to prevent over-excitation by the transceiver. Acceptable input voltage range is 0 to
-4 VDC.
USB
Connecting to a computer from this jack with a commercially available USB cable allows remote control by CAT commands from the computer. The jack can also be used for input and output of audio signals and transmitter control. A USB driver is re- quired for remote control from a computer. Down- load the driver from the Yaesu website (http://www. yaesu.com).
RS-232C
This 9-pin serial DB-9 jack permits external computer control of the FTDX101. Connect a serial cable here and to the RS-232C COM port on your personal computer (no external interface is required).
GND
Use this terminal to connect the transceiver to a good earth ground, for safety and optimal perfor- mance. Use a large diameter, short braided cable to make ground connections.
DC IN
This is the DC power supply connection for the transceiver.
FTDX101MP
Connect the supplied external power supply “FPS-101” using the supplied DC cable.
FTDX101D
Use the supplied DC cable to connect directly to a DC power supply, which must be capable of supplying at least 23 A @13.8 VDC.
RX OUT (MAIN)
This RCA jack provides output of the RF signal. For connecting an external receiver and the like.
LINEAR
This 15-pin output jack provides band selection data, which may be used for control of optional ac- cessories such as the VL-1000 Solid-state Linear
Amplier.
GND
N/AGND
N/A
N/A
NC
13.8V
ACC
This 13-pin jack may be connected to an external device.
GND
DATA1
DATA2
CLOCK
CS
IF OUT (MAIN)
This RCA jack outputs the receiver 9.005 MHz IF signal. This signal does not pass through the roof-
ing lter.
TX-GND
This RCA jack’s center pin is closed to ground while the transceiver’s transmitter is engaged. The tran- sistor open collector circuit used for this jack is ca- pable of switching a DC voltage of 60 V at 200 mA, or DC 30 V at up to 1Amp.
PTT
This RCA input jack may be used to provide manu- al transmitter activation using a foot switch or other switching device. Its function is identical to the [MOX] key on the front panel. Open-circuit voltage is 5 VDC, and closed-circuit current is 3 mA.
RX OUT (SUB)
This RCA jack provides output of the RF signal. For connecting an external receiver and the like.
+13.8V
This RCA output jack provides regulated, sepa- rately fused 13.8 VDC at up to 200 mA, to power an external device such as a packet TNC. Make sure your device does not require more current (if it does, use a separate power source).
TUNER
This 8-pin output jack is used for connection to the FC-40 External Automatic Antenna Tuner.
TX INH
TX D
EXT-DISPLAY
DVI-D connector for connecting an external moni- tor. When using an external monitor, set the setting menu item “EXT DISPLAY” (page 105) to “ON”.
Connect a monitor that supports 800 x 480 resolution or 800 x 600 resolution.
GND
+13V OUTTX GND
Reserve
Reserve
CNT RX
CNT TX
Reserve
+13.5V OUT
TX GND
GND
BAND DATA A
BAND DATA C
BAND DATA D
TX INH
GND
TX REQ
NC
NC
EXT ALC
IF OUT (SUB)
This RCA jack outputs the receiver 8.900 MHz IF signal. This signal does not pass through the roof-
ing lter.
17

SSM-75G Microphone Switches

MUTE
P1 P2 P3 P4
PTT Switch
Switches Transmit/Receive. Press to transmit and release to receive.
DWN / UP Key
The [UP]/[DWN] keys may also be used to manual- ly scan the frequency upward or downward.
● Pressing the [FAST] key engages the “Fast” tun- ing selection.
● The amount of frequency change depends on the
operation mode (default setting: see table below).
Operating Mode UP DWN
CW / SSB / RTTY
DATA-L / DATA-U / PSK
AM / FM
DATA-FM
Numbers in parentheses indicate steps when the [FAST] key is On.
● The frequency change can be changed in the
setting menu.
Operating Mode Memu Item Step
SSB / CW
RTTY / PSK
DATA-L
DATA-U
AM
FM
DATA-FM
SSB/CW DIAL STEP
AM CH STEP
FM CH STEP
+10
[+100Hz]
+5kHz
+50kHz
[
(page 103)
(page 103)
(page 103)
Hz
]
-10Hz
[-100Hz]
-5kHz
[-50kHz]
5/10 (Hz)
2.5/5/9/10/
12.5/25 (kHz)
5/6.25/10/
12.5/20/25 (kHz)
MUTE Key
While pressing the MUTE key, the receiver audio from the speaker will be muted.
Microphone
Speak into the microphone in a normal tone of voice with the microphone 5 cm away from the mouth.
P1 key
Switches the operation to the MAIN band. It is the same function as the [MAIN] key on the front panel of the transceiver.
P2 key
Switches the operation to the SUB band. It is the same function as the [SUB] key on the front panel of the transceiver.
P3 key
Switches transmission to the MAIN band. It is the same function as the MAIN band [TX] key on the front panel of the transceiver.
P4 key
Switches transmission to the SUB band. It is the same function as the SUB band [TX] key on the front panel of the transceiver.
18
Speaker
Be sure to study this information to maximize the receiver performance of the high-class
FTDX101 series shortwave transceiver.
Narrow band SDR receiver signal flow and the specific
functions that affect receiver performance.
Narrow Band SDR
RF
AMP
Mixer
Antenna Selector
VC-Tune
ATT A/D SDR D/ADSP
BPF
Roofing
Filter
Use the VC TUNE
VC-Tune can attenuate interfering signals directly at the receiving frequency. VC-Tune can be turned ON to attenuate the strong jam- ming signals that cannot be removed even with the BPF. If there is no disturbing signal, turn it OFF. Operation is performed with the outside MPVD ring of the Main Dial.
AMP
BPF (Band Pass Filter)
BPF is selected automatically. When a frequency band is selected on the front panel, the BPF (Band Pass Filter) for that band is auto- matically connected to the antenna circuit.
Use the ROOFING FILTER
Roofing filters attenuate strong signals that are outside of the de- sired passband after converting to the 9MHz IF.
Received signal flow
The roofing filter can attenuate unwanted frequency components.
Touch [R.FIL] on the TFT screen to select the 3kHz lter for SSB, the 1.2kHz lter or the 600Hz lter for CW. An optional 300Hz* lter
is also available. * Included with FTDX101MP.
Use DSP interference removal functions
DSP interference removal functions include IF SHIFT, IF WIDTH, IF NOTCH, APF, CONTOUR, and DNR. Use these functions to adjust for comfortable reception while listen- ing to the received audio.
To change the sound quality of the received audio, use the CON- TOUR function to easily improve the sound quality with high and
low frequency cut or emphasis.
19

Display Indications

Meter Operations during Transmission
Meter operation during transmit
PO
ALC
AMC gain control display
Meter & Filter images
Frequency area
Function settings
Spectrum Scope
Display setting keys
Display setting keys

Meter Display

S-Meter
(MAIN band)
Final transistor temperature
Speech compressor level
When the meter display screen is touched, the transmit meter selection screen is shown (the default default setting is “PO” on the left and “ALC” on the right).
RF power Output Relative ALC voltage Final amplifier drain voltage
S-Meter
(SUB band)
Final amplifier drain current
Standing Wave Ratio
20
(Displays compression level during speech processor operation) Make adjustments with the [PROC / PITCH] control.
RF power Output
Final transistor
LEFT METER RIGHT METER
PO COMP
temperature
TEMP ID
Relative ALC voltage
ALC
Final amplifier drain current
VDD
SWR
Final amplifier drain voltage
Standing Wave Ratio

Filter Function Display

Clear all entered numbers.
SSB Mode
Roofing filter bandwidth
CW Mode RTTY Mode PSK/DATA Mode
Displays the passband status of the DSP lter. The operation of WIDTH, SHIFT, NOTCH, CONTOUR etc.
can be observed. The current roofing filter bandwidth is displayed as
a blue line below the lter
function display. The roong lter is select- ed by touching [R. FIL].
Touch the lter function display to toggle between “normal display” and “magnied display”. Touch again to re- turn to the “normal display”.
• Display only DSP lter bandwidth information
To display only the DSP lter bandwidth information, press and hold the spectrum area of the lter function display to clear the
spectrum view. To display it, press and hold again.
DSP filter bandwidth

Frequency Display

The transmit and receive frequencies of the MAIN Band are shown on the left and the transmit and receive frequencies of the SUB Band are shown on the right. In split operation, the transmit frequency is displayed in red.
• Keyboard Frequency Entry
1. Touch the “Hz” area of the frequency display.
2. Enter the frequency using the numeric keys.
Erases the rightmost digit.
The entered frequency is confirmed.
The display returns to the previous screen when back is touched.
● If there is no operation within 10 seconds,
the input will be canceled.
3. Touch [ENT] to conrm.
● A short-cut for frequencies ending in zero -
press the [ENT] key after the last non-zero digit.
Example:
To enter 7.00.000MHz
[0] →[7]→[ENT] or [7] → [.] → [ENT]
To enter 7.03.000MHz
[7] →[.]→[0]→[3]→[ENT]
• Tuning in 1 MHz or 1 kHz Steps
To temporarily set the dial knob to 1MHz or 1kHz steps, touch the “MHz” or “kHz” area of the fre- quency display.
Touch “MHz” or “kHz” area of the frequency dis- play to confirm. If there is no operation within 3
seconds, the frequency will be xed.
• Touch the Frequency Display of the inactive
band to change the Operating Band with one touch.
• Touch the Scope Screen, to easily move to the touched frequency.
21

Important Receiver Settings

Important setting items when receiving
The status of various operations that are important during receive, are shown at the bottom of the display. To change a setting, touch the appropriate location on the display.

ANT (Switching the Antenna)

The currently used antenna terminal number (“ANT 1” “ANT 2” “ANT 3 / RX”) is displayed. After touching ANT, touch the desired number. The antenna can be set separately for each oper- ation band.
The antenna terminal “ANT 3 / RX” can be set to “Receive Only” (Set Menu: “ANT 3 SELECT” page 97).

ATT (Attenuator)

Displays the current ATT (Amount of receive input signal attenuation). When the desired signal is extremely strong or the noise level is high on a low frequency band, activate the attenuator to reduce the incoming signal or noise from the antenna.
After touching [ATT], touch the desired attenua- tion amount.
The attenuator is set independently for each op- eration band.
OFF Attenuator is Off
6dB
12dB
18dB
The incoming signal power is reduced by
6dB (Signal voltage reduced to 1/2)
The incoming signal power is reduced by
12dB (Signal voltage reduced to 1/4)
The incoming signal power is reduced by
18dB (Signal voltage reduced to 1/8)
IPO
The IPO (Intercept Point Optimization) function
can establish the gain of the RF amplier section
to accommodate the connected antenna and the received signal conditions. IPO can be selected from three operating conditions.
AMP1: One stage RF amplifier is connected.
This is a well-balanced operation of re- ceiver sensitivity and characteristics (Ap- proximately 10 dB gain).
AMP2: Two RF amplifiers are connected in se-
ries to give top priority to sensitivity (Ap- proximately 20 dB gain).
IPO: The received signal is input to the IF mix-
er without passing through the RF ampli- fier. This can greatly improve receiving, especially in the harsh low band signal environment.
After touching [IPO], touch the desired operating condition.
• IPO is set independently for each operation band.
• Normally, select “AMP1”.
• The IPO can not only attenuate the input sig-
nal but also improve the intermodulation char- acteristics. It is most effective to operate the
IPO rst, and then use the ATT if the signal is
still too strong. The noise level can be attenu- ated and S/N greatly improved.
• If the noise level is high or the received signal is extremely strong, the incoming signal level can be suppressed with the IPO/ATT settings. If the S-meter fluctuates S-3 or more in the noise level, or the received signal is extremely strong and it causes a high S-meter indication (+20dB or more), activate the attenuator.
• Since IPO does not only attenuate the incom- ing signal, but also improves the cross mod- ulation characteristic, try to activate the IPO first. If the signal is still strong, also use the ATT. In this way, you can attenuate the incom- ing signal and noise effectively.
22
R.FIL (
Roong Filter Switching
)
AGC (
Automatic Gain Control
)
Displays the bandwidth of the currently selected
roong lter.
Switches the crystal roofing filters of 300Hz*, 600Hz, 1.2kHz*, 3kHz, and 12 kHz that are in- stalled in this transceiver.
Normally, filters are automatically switched de-
pending on the operation mode, however the lter
may be changed according to the conditions or
when an optional lter is installed.
Roofing filters are to be set independently for each operation band.
* 300Hz & 1.2kHz roofing filters are optional.
(300Hz is included on the MAIN side with the FTDX101MP)
After touching [R. FIL], touch the desired lter.
If the optional 300Hz and 1.2kHz filters are not installed, “300Hz” and “1.2kHz” will not be dis- played.
Displays the currently selected AGC setting.
The AGC system is designed to help compen- sate for fading and other propagation effects. The AGC characteristics can be individually set for each operating mode. The basic objective of AGC is to maintain a constant audio output level once a certain minimum threshold of signal strength is achieved. After touching [AGC], touch the desired time con- stant.
● AGC can be set for each operation band.
● The “AUTO” selection mode selects the opti-
mum receiver-recovery time for the reception mode.
Operating Mode AUTO AGC Selection
SSB / AM SLOW
CW / FM / DATA-FM FAST
RTTY / PSK DATA-L / DATA-U
Normally, AGC is set to “AUTO”, which auto- matically selects the time constant according to the received signal type, but when receiving a weak signal or when there is noise and fading, the AGC action may be changed according to the reception condition at that time. Change the time constant to make received signals most audible
MID
Several aspects of AGC performance may be configured via the Menu. However, because AGC can have such a profound impact on over- all receiver performance, we generally do not recommend any changes to the AGC Menu se- lections until you are thoroughly familiar with the performance of the FTDX101.
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Scope Display Setting

In addition to the conventional two-dimensional waterfall spectrum display, Yaesu has added the 3-Dimen- sion Spectrum Stream (3DSS) color display. The constantly changing band conditions and signals are depicted in real time and color. The frequency span is shown on the horizontal X axis, the vertical Y axis depicts the signals and their strengths, and the time is represented on the receding Z axis. The FTDX101 operator can intuitively grasp the band and signal conditions at any instant.
When VC Tune operates, the steep attenuation characteristics of VC Tune may cause some signals in the spectrum scope to be attenuated and disappear, or the screen may not look uniform, but this is not a malfunc- tion.
CENTER/CURSOR/FIX
Switches the Spectrum Scope operation each time the key is touched.
• When the display area is touched, the receive frequency is moved to that point.
• In CENTER mode, the frequency touched becomes the center.
• In CURSOR and FIX mode, the marker and the receive frequency move to the touched position.
• Press and hold the [FAST] key in the CENTER and CURSOR modes, the Hz digit of the receive frequency
will be “0”.
• Press and hold the [FAST] key in FIX mode, the receive frequency returns to the start frequency of the dis- play area.

• CENTER

The receive frequency is always shown at the cen- ter of the screen and spectrum display. The band spectrum is shown within the range set by “SPAN”. The CENTER mode is convenient for monitoring the situation around the operating frequency.

• CURSOR

Monitors the spectrum within the range set with “SPAN”. When the frequency (marker) exceeds the upper limit or the lower limit of the range, the screen is automatically scrolled and the status out- side the setting range can be observed.
MAIN or SUB Marker* Current display mode (CENTER) Sweep Speed
Scope Screen frequency span (display range).
*: At factory shipment, marker display is ON.
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MAIN or SUB The lower limit frequency of the display area. Marker* (Receive Frequency) Marker* (Transmit Frequency) Current display mode (CURSOR) Sweep Speed
Scope Screen frequency span (display range).
The upper limit frequency of the display area.
*: At factory shipment, marker display is ON.
• FIX
To use Fixed Mode, enter the start frequency of the scope.
MAIN or SUB Display area start frequency Marker* (Reception Frequency) Current display mode (FIX) Sweep Speed
Scope Screen frequency span (display range).
The upper limit frequency of the display area.
*: At factory shipment, marker display is ON.
3DSS
Switch between the 3DSS display and the waterfall display. The display will change each time it is touched:
To adjust the level of the SUB band, press the [SUB] key to make the operation band a SUB band.
3DSS type
Waterfall type
Each time the Waterfall Display is touched, the size of the display changes as follows.
FIX is displayed at the top of the scope screen. Press and hold [FIX] while FIX is displayed, the fre- quency input screen will be displayed, and the start frequency can be entered:
Example:
To enter 7.000.000 MHz
[0] →[7]→[ENT] or [7] → [.] → [ENT]
To enter 7.030.000 MHz
[7] →[.]→[0]→[3]→[ENT]
In FIX mode, If the [FAST] key is held, the receiver returns to the start frequency.
SPAN
Set the frequency span (display range) of the scope screen. After touching, select the desired span.
The display level changes when SPAN is changed, so reset the optimum display level with [LEVEL] each time.
à à
MONO (Dual/Mono Switching)
Touch to switch the display to “Mono” and show only the MAIN band. Touch again to display both MAIN and SUB Bands.
Dual
Mono
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